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Finding the Fourth Proportional to 8,603.92, 12,907.32 and 3,056.10

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Solution

The fourth proportional to 8,603.92, 12,907.32 and 3,056.10 is: 4,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.92 : 12,907.32 = 3,056.10 : x
  2. Step 2: Convert to fraction form
    8,603.92/12,907.32 = 3,056.10/x
  3. Step 3: Cross multiply
    8,603.92x = 12,907.32 × 3,056.10
  4. Step 4: Simplify right side
    8,603.92x = 39,446,000.79
  5. Step 5: Solve for x
    x = 39,446,000.79/8,603.92
  6. Step 6: Final answer
    x = 4,584.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.